Pleurothallis calceolaris Rchb.f. 1876 SUBGENUS Pleurothallis SECTION Macrophyllae-Fasciculatae Lindl 1859 Photo by Ecuagenera and their Ecuador Orchid Website

Yellow Form Photo by Cheryl M LeBlanc and the Wheeler Orchid Collection at BSU

Full shadeCold spring

Common Name or Meaning The Small Shoe Pleurothallis [refers to the deeply concave synsepal]

Flower Size .4" [1 cm]

Found in Antioquia State Colombia at elevations around 2180 meters as a small sized cold growing terrestrial with erect to suberect, stout ramicauls enveloped basally by 2 tubular sheaths and another below the middle and carrying a single, apical, rigidly coriaceous, dark blue-green above, purple suffused below, ovate, acute, deeply cordate, sessile base leaf that blooms in the spring on a slender, .6" to .75" [1.5 to 1.8 cm] long, fascile of 2 to 4 simultaneous single flowered inflorescence enveloped completely and arising through a reclining spathe

Synonyms Acronia calceolaris (Rchb.f.) Luer 2005; Pleurothallis fornix Luer & R.Escobar 1984; Zosterophyllanthos fornix (Luer & R.Escobar) Szlach. & Marg. 2001

References W3 Tropicos, Kew Monocot list , IPNI ; Orquideologia Vol 16 No 2 1984 as P fornix drawing fide; Icones Pleurothallidinarum Systematics of Pleurothallis Vol 3 Luer 1986 as P fornix; Native Colombian Orchids Vol 6 COS 1998 as P fornix photo fide; Icones Pleurothallidinarum Vol XXVII Luer 2005 as Acronia calceolaris drawing fide